What a successful exploit of a Linux server looks like
Source: arsTechnica - Posted by Dave Wreski   
Intrusion Detection Like most mainstream operating systems these days, fully patched installations of Linux provide a level of security that requires a fair amount of malicious hacking to overcome. Those assurances can be completely undone by a single unpatched application, as Andre' DiMino has demonstrated when he documented an Ubuntu machine in his lab being converted into a Bitcoin-mining, denial-of-service-spewing, vulnerability-exploiting hostage under the control of attackers. A security researcher with George Washington University, DiMino noticed several IP addresses attempting to hijack the Linux server by exploiting a now-patched PHP flaw that gave attackers the ability to remotely execute commands on vulnerable machines. DiMino was curious to know what the people behind the attacks intended to do with his machine, so he set up a "honeypot" box that, for research purposes, ran an older version of the Web development language.

Read this full article at arsTechnica

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